Based on the idea that electric light at night might account for a portion of the high and rising
risk of breast cancer worldwide, it was predicted long ago that women working a non-day …

The invention of electric light has facilitated a society in which people work, sleep, eat, and
play at all hours of the 24-hour day. Although electric light clearly has benefited humankind …

Abstract Purpose of Review Night work is increasingly common and a necessity in certain
sectors of the modern 24-h society. The embedded exposure to light-at-night, which …

Irregular working hours, including working at night, have serious psychological and
physiological effects. In a nationwide population-based case-control study, we investigated …

OBJECTIVES To construct a computer assisted information system for the estimation of the
numbers of workers exposed to established and suspected human carcinogens in the …

Light, including artificial light, has a range of effects on human physiology and behavior and
can therefore alter human physiology when inappropriately timed. One example of potential …

Objective: To explore the associations between semen characteristics and subsequent risk
of testicular cancer. Design: Cohort study. Participants: 32 442 men who had a semen …

BACKGROUND: Working outside normal daytime hours is increasing worldwide and is now
one of the most widespread potential carcinogenic occupational exposures. There is …

Objectives Growing but limited evidence suggests that night shift work is associated with
breast cancer. The authors conducted a nationwide case–control study nested within a …

News 986 www. thelancet. com/oncology Vol 23 August 2022 in exposure-response
analyses with adjustment for employment duration suggested that healthy-worker survivor …